Code for the keypad
Dependencies: TextLCD keypad mbed-rtos mbed
buzzer/buzzer.cpp@0:f39f0de7c0ce, 2017-05-08 (annotated)
- Committer:
- michiel975
- Date:
- Mon May 08 19:57:56 2017 +0000
- Revision:
- 0:f39f0de7c0ce
Keypad 5
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
michiel975 | 0:f39f0de7c0ce | 1 | #include "buzzer.h" |
michiel975 | 0:f39f0de7c0ce | 2 | #include "mbed.h" |
michiel975 | 0:f39f0de7c0ce | 3 | |
michiel975 | 0:f39f0de7c0ce | 4 | Buzzer::Buzzer(PinName buzzerPin) : out(buzzerPin){ |
michiel975 | 0:f39f0de7c0ce | 5 | out = 0.0; |
michiel975 | 0:f39f0de7c0ce | 6 | } |
michiel975 | 0:f39f0de7c0ce | 7 | |
michiel975 | 0:f39f0de7c0ce | 8 | void Buzzer::startupBeep(){ |
michiel975 | 0:f39f0de7c0ce | 9 | |
michiel975 | 0:f39f0de7c0ce | 10 | } |
michiel975 | 0:f39f0de7c0ce | 11 | |
michiel975 | 0:f39f0de7c0ce | 12 | void Buzzer::playNote(float frequency, float duration, float volume){ |
michiel975 | 0:f39f0de7c0ce | 13 | out.period(1.0/frequency); |
michiel975 | 0:f39f0de7c0ce | 14 | out = volume/2.0; |
michiel975 | 0:f39f0de7c0ce | 15 | wait_ms(duration); |
michiel975 | 0:f39f0de7c0ce | 16 | out = 0.0; |
michiel975 | 0:f39f0de7c0ce | 17 | } |